Computer keyboard and mouse tray



FIG. 1 is a top perspective view of a computer keyboard and mouse tray showing our new design, the broken lines are for illustrative purposes only and form no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a side elevational view thereof, the opposite side view being a mirror image of that shown;

FIG. 5 is a left end elevational view thereof; and,

FIG. 6 is a right end elevational view thereof. 

The ornamental design for a computer keyboard and mouse tray, as shown and described. 